Chapter 12 Description of Parameter SettingsC2000
12.1-07-9
(1) When dEb activates, it sends dEb warning. When the output frequency reaches 0Hz, the
operation status is STOP and disables the dEb function, the dEb warning continues.
(2) If power does not recover, the DC BUS voltage drops until reaches the Lv level, the drive
LvS error occurs (keypad displays LvS error that covers the dEb display), the Soft Start
Relay will be OFF.
dEb Function Reset Time
Default: 3.0
Settings 0.0–25.0 sec.
dEb (Deceleration Energy Backup) lets the motor decelerate to stop when momentary power
loss occurs. When the power loss is instantaneous, use this function to let the motor decelerate
to zero speed.
Dwell Time at Acceleration
Default: 0.00
Settings 0.00–600.00 sec.
Dwell Time at Deceleration
Default: 0.00
Settings 0.00–600.00 sec .
Dwell Frequency at Acceleration
Default: 0.00
Settings 0.00–599.00 Hz
Dwell Frequency at Deceleration
Default: 0.00
Settings 0.00–599.00 Hz
In the heavy load situation, Dwell can make stable output frequency temporarily, such as crane or
elevator.
When the load is heavier, use Pr. 07-15–Pr. 07-18 to avoid ov or oc protection.
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